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8.18712

Sigma-Aldrich

Hexamethylenetetramine

for synthesis

Synonym(s):

Hexamethylenetetramine, Hexamethylenetetramine, Hexamine, Formin, Urotropin

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About This Item

Empirical Formula (Hill Notation):
C6H12N4
CAS Number:
Molecular Weight:
140.19
MDL number:
UNSPSC Code:
12352005
EC Index Number:
202-905-8
NACRES:
NA.22
grade:
for synthesis
vapor pressure:
<0.01 hPa ( 20 °C)
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grade

for synthesis

Quality Level

vapor pressure

<0.01 hPa ( 20 °C)

Assay

≥99.0% (perchloric acid titration)

form

solid

autoignition temp.

390 °C

potency

9200 mg/kg LD50, oral (Rat)

dilution

(for synthesis)

pH

7-10 (20 °C, 100 g/L in H2O)

transition temp

flash point 250 °C

solubility

soluble 895 g/L

density

1.33 g/cm3 at 20 °C

bulk density

600 kg/m3

storage temp.

2-30°C

SMILES string

N21CN3CN(C2)CN(C1)C3

InChI

1S/C6H12N4/c1-7-2-9-4-8(1)5-10(3-7)6-9/h1-6H2

InChI key

VKYKSIONXSXAKP-UHFFFAOYSA-N

Application

  • Electrochemical detection of microplastics: Hexamethylenetetramine is utilized in a novel sensor design using chitosan and magnesium oxide for the electrochemical detection of microplastics, enhancing environmental monitoring capabilities (Noumani et al., 2024).
  • Novel methodologies in nanoparticle synthesis: Research details the use of hexamethylenetetramine in the preparation of monodisperse cerium oxide nanoparticles, demonstrating its utility in precise nanoparticle fabrication (Hastings et al., 2024).
  • Development in mesoporous materials: A study explores hexamethylenetetramine′s use in the self-assembly of ordered mesoporous nanofibers, contributing to advancements in materials science and engineering (Peng et al., 2023).

Analysis Note

Assay (HClO₄): ≥ 99.0 %
Identity (IR): passes test

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Flam. Sol. 2 - Skin Sens. 1B

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 1

Flash Point(F)

482.0 °F - closed cup

Flash Point(C)

250 °C - closed cup


Certificates of Analysis (COA)

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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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